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libqos/ahci: Add ahci_port_check_error helper

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ahci_port_check_error checks a given port's error registers and asserts
that everything from the port-level view is still OK.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-6-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
John Snow 2015-02-05 12:41:16 -05:00 • committed by Stefan Hajnoczi
parent 6cae27a6af
commit 85c34e9395
3 changed files with 24 additions and 7 deletions
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8
tests/ahci-test.c
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@ -747,6 +747,7 @@ static void ahci_test_identify(AHCIQState *ahci)
while (BITSET(ahci_px_rreg(ahci, i, AHCI_PX_TFD), AHCI_PX_TFD_STS_BSY)) {
usleep(50);
}
ahci_port_check_error(ahci, i);
/* Check for expected interrupts */
reg = ahci_px_rreg(ahci, i, AHCI_PX_IS);
@ -760,13 +761,6 @@ static void ahci_test_identify(AHCIQState *ahci)
AHCI_PX_IS_DHRS | AHCI_PX_IS_PSS | AHCI_PX_IS_DPS);
g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_IS), ==, 0);
/* Check for errors. */
reg = ahci_px_rreg(ahci, i, AHCI_PX_SERR);
g_assert_cmphex(reg, ==, 0);
reg = ahci_px_rreg(ahci, i, AHCI_PX_TFD);
ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_STS_ERR);
ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_ERR);
/* Investigate the CMD, assert that we read 512 bytes */
ahci_get_command_header(ahci, i, cx, &cmd);
g_assert_cmphex(512, ==, cmd.prdbc);